ML19276F896
| ML19276F896 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 04/20/1979 |
| From: | Brown S VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 191A, NUDOCS 7904240450 | |
| Download: ML19276F896 (1) | |
Text
CO April 20, 1979 3erill
.o.
W Ar. Jne, P. O 'R e i l 1 <, D irec tor g-
!,O j [dd P E C/e'4 :m,c:.ana Office ni In',pection t. Enforc w nt U.
S. luc lo - Jey 13 tor y Cominion (0
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- 10) aorittia Street, Suite 3';00 a [rp l S.I.Is i i l l' 0
. t : i! ' L~id Q; ! L 'i, Atioata, w orgia 30103 3. s.-
Doar
- 'r. O'Poilly:
On Wrrh 0, 1 17 '), a report ms ar!e to tha RC on the crocao1 floo sniitter plate in Norto Anna Unit ' reactor coolant 1000 pipinq uqJ-r th2 provisions at
'0 FR d. 35 t ei.
SubsecuentI f, on March N,
l'/"
'lepco letter Serial do. ' 11 ( Doc's et No. 5%3M') was f orwarded to the H:, Jifice ut inspection in ti Enforcement, Region II, in accordance with the reporting requi rmion ts of 10CFR ?l, on the svne su5 ject.
na April !?,1)79, Vepco and Westinqhousr personnel mat with tne NRC fm the purpose of making a technical presentation on the subject of tu flor splitter plates in North Anna Unit 1.
At this meeting, the results of metallurgical ind ultr3senic m minations which ha f hmn con.1ucted 9y Westinghnuse on th" Unit ' flow splitter plate cracks w:ra press:nted to tht Coatn i s s i on.
T h+-
informatinn pren nta at this meeting e s forwar Nd to th?
NRC hy Vepco letter Sarial 'la.
'il (Docket No. 50- P31 ated April IS, 1771 At this time, Vepc; is still evaluating tne cause of the fi n solitter failure in North Anna Unit ?.
3'e are also cent'nuing to evalulte the corse of action to im taken with regard to repair or re.:ov11 of tho Plod splitter plates in Nnit '.
Wo vill infora tM ^nmission of our fin 11 conc iusions concerning 'he cc Ko of t his f iilure, :nd the requirei corrective 3ction hy M3y ?d,
'R 7 1 This epart is f or var ir.' as requirc' by 10CFE 0.J5(e) nf is an interim raport on this subject.
Very f<ul y yours',
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S n {C. Sronn, &
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Senior ' lice D esisont - 3.-rr ',te :or Engineerina n1 P,nstrnction CC: "r. E h O. Javis, Acting Dir$'Ctor Office n+
Inspec tion R EnfCrce y '+
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- taroid R. Denton, Director
@0 V h Office of Nuclear Retrtor Regulation t
I B U d!? d o O